Nepenthes hispida

Nepenthes hispida

Synonymy

Nepenthes hispida Beck in Wiener Ill. Gart.-Zeitung 20: 187. 1895 sec. Cheek & Jebb 2001
    • Isolectotype: Malaysia, Borneo, Sarawak, Lawas River, alt. 2000-3000 ft, F. Burbidge s.n. (K).
    • Lectotype (designated by Jebb, M.H.P. & Cheek, M.R. 19971): Malaysia, Borneo, Sarawak, Lawas River, alt. 2000-3000 ft, F. Burbidge s.n. (W sh. 55649).
    • Isolectotype: Malaysia, Borneo, Sarawak, Lawas River, alt. 2000-3000 ft, F. Burbidge s.n. (W).
  • 1. Jebb, M.H.P. & Cheek, M.R. 1997: A skeletal revision of Nepenthes. – Blumea 42(1): 1-106
  • –(p.p.) "Nepenthes hirsuta" sensu Macfarlane 1908: 593, non Hook.f., err. sec. Cheek & Jebb 20012
  • 2. Cheek, M.R. & Jebb, M.H.P. 2001: Flora Malesiana - Nepenthaceae, Series I, Volume 15, 3. Macfarlane, J.M. 1908: pp. 1-92. – In: Engler, A., Pflanzenreich IV. 111 (Heft 36)

Other sources

Clarke, C.M. 1997: Nepenthes of Borneo: 94, f. 63
Jebb, M.H.P. & Cheek, M.R. 1997: A skeletal revision of Nepenthes. – Blumea 42(1): 1-106: 48, f. 5

Description

Terrestrial climber to c. 5 m tall. Stem terete, 2-4 mm diam., internodes of climbing stems 2-4 cm long; internodes of short shoots 0.25-0.75 cm long. Leaves coriaceous, sessile, blade oblanceolate to oblong, sometimes narrowly so; leaves of short stems 7-12 by 1.6-2.8 cm; leaves of climbing shoots 7.5-28 by 1.8-3.3 cm, apex shortly acuminate to obtuse, often unequal, not peltate, base decurrent-amplexicaul, extending down the stem by 0.5-1 cm, and clasping it by 9/10 its diameter, the wings short, but 4-6 mm broad, and almost meeting opposite the axil. Longitudinal nerves 3 on each side of the midrib in the outer half, from the leaf base. Pennate nerves apparently few, patent, inconspicuous. Above each inflorescence, the first leaf of the shoot has an ovate blade, 2.5-4 by 0.7-1.3 cm, with an acute to obtuse apex, and lacks a tendril. Lower pitchers ovoid-ellipsoid in the lower half, the upper half subcylindrical, tapering slightly to the mouth, 5-8.5 cm long, 1.5-3 cm wide at the base, 1-1.8 cm wide at the mouth, with two fringed wings, 1-3 mm wide, fringed elements 1-2 mm long, 1-2 mm apart; mouth ovate, oblique, slightly concave; peristome rounded, 0.5-1.2 mm wide, not sinuate, ribs 0.25 mm apart, the inner margin with teeth 0.5-1 mm long; lid ovate-elliptic, 1.4-2.7 by 0.9-2 cm, apex rounded, base truncate to slightly cordate, lower surface lacking appendages, with numerous circular, crater-like glands 0.1-0.15 mm wide, those on the midline, larger, elliptic, to 0.35 mm long; spur c. 5 mm long, entire. Upper pitchers as the lower, but more cylindrical, 7-11.5 by 1.2-2.7 cm; wings sparsely fringed near mouth and to 2 mm broad, or lacking fringed elements, 0.4-0.5 mm broad; mouth, peristome, lid and spur as in lower pitchers. Male inflorescence 9-13 by 1.5 cm; peduncle 2.5-4 cm long; partial peduncles 2-flowered near base, but mostly 1-flowered, 0.5-3 mm long; bracts absent; tepals elliptic, c. 3.5 by 2 mm; staminal column 1.5-2 mm, anther head with anthers subglobular, 1-1.25 mm diam. Fruit valves 35-47 by 3-4 mm. Seeds not recorded. Indumentum as N. hirsuta, but denser and longer, of erect, slightly forward pointing, mostly simple, dark coppery, bristle-like hairs 1.5-4 mm long, persistent and highly conspicuous on the stem, tendril and peduncle, sparser on the lower leaf blade, and shorter and denser on the inflorescence, including the axis, lower tepal surface and staminal column. Upper leaf blade, midrib, upper tepal surface and fruit, glabrous. Colour of stems (when dried) purplish grey; pitchers glaucous green, flecked red, especially inside, peristome red or greenish; flowers red.A

Notes

This species is closely related to N. hirsuta, but distinct in the amplexicaul-decurrent leaf base, and also in the pilose character of the indumentum, with dense bristle-like hairs 1.5-4 mm long (1-2 mm long in N. hirsuta) on purplish grey stems (brown in N. hirsuta). The male flowers have a staminal column only 1.5-2 mm long at anthesis (3.5-6 mm long in N. hirsuta). Nepenthes hispida appears to be common in the region surrounding the Lambir Hills of northern Sarawak, with one collection being known from nearby Brunei and the type from the Lawas River. It is also related to N. macrovulgaris and N. philippinensis which can be distinguished by being glabrous and lacking peristome teeth.
This name was long overlooked, partly because of difficulties with its typification. Beck cites the type as “Am Lawas River bei 2000 bis 3000 Fuss (Low)!” At Kew there is a collection with a printed label of F.W. Burbidge attached; however, there is also a larger, hand-written label: “N. species, Lawas River, 2000 to 3000 feet no flowering or seeding specimens seen.” At Vienna (W) there is a duplicate of this sheet with details presumably transcribed from the Kew label. Beck probably saw the Kew material as well, and probably interpreted the handwriting as Low’s. The specimens accord exactly to Beck’s description in both dimensions and appearance. Macfarlane in Das Pflanzenreich 4, 3 (1908) 49 placed N. hispida as a synonym of N. hirsuta, under the var. typica which he described there. Under this variety he cites 3 collections ‘(Low!, Beccari!, Burbidge!)’. Since the former specimen is most likely the type of N. hirsuta, the varietal name is superfluous and illegitimate. The last named specimen, however, is in all likelihood the specimen we interpret here as Beck’s ‘Low’ specimen. Danser in Bull. Jard. Bot. Buitenzorg III, 9 (1928) 309 was sceptical of Macfarlane’s treatment of N. hispida, but did not see the type, and placed it as a questionable synonym of N. hirsuta.A

Distribution (General)

Borneo: NE Sarawak and Brunei.A

Habitat

Heath forest; 100-800 m.A

Bibliography

A. Cheek, M.R. & Jebb, M.H.P. 2001: Flora Malesiana - Nepenthaceae, Series I, Volume 15

Images

Specimens

CountryDateCollector + collecting numberHerbariaTypeScanDerivatives
MalaysiaBurbidge, F.W.T. s.n.K, W(2)
Citation: Malaysia, Borneo, Sarawak, Lawas River, alt. 2000-3000 ft, F. Burbidge s.n. (W sh. 55649)

Specimen summary: K
Isolectotype of Nepenthes hispida Beck

Specimen summary: W
Isolectotype of Nepenthes hispida Beck

Specimen summary: W sh. 55649
Lectotype of Nepenthes hispida Beck